53 lines
2.2 KiB
Bash
Executable File
53 lines
2.2 KiB
Bash
Executable File
#!/bin/bash -e
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# set -x (bash debug) if log level is trace
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# https://github.com/osixia/docker-light-baseimage/blob/stable/image/tool/log-helper
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log-helper level eq trace && set -x
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FIRST_START_DONE="${CONTAINER_STATE_DIR}/docker-keepalived-first-start-done"
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# container first start
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if [ ! -e "$FIRST_START_DONE" ]; then
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#
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# bootstrap config
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#
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sed -i --follow-symlinks "s|{{ KEEPALIVED_INTERFACE }}|$KEEPALIVED_INTERFACE|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf
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sed -i --follow-symlinks "s|{{ KEEPALIVED_PRIORITY }}|$KEEPALIVED_PRIORITY|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf
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sed -i --follow-symlinks "s|{{ KEEPALIVED_PASSWORD }}|$KEEPALIVED_PASSWORD|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf
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if [ -n "$KEEPALIVED_NOTIFY" ]; then
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sed -i --follow-symlinks "s|{{ KEEPALIVED_NOTIFY }}|notify \"$KEEPALIVED_NOTIFY\"|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf
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chmod +x $KEEPALIVED_NOTIFY
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else
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sed -i --follow-symlinks "/{{ KEEPALIVED_NOTIFY }}/d" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf
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fi
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# unicast peers
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for peer in $(complex-bash-env iterate KEEPALIVED_UNICAST_PEERS)
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do
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sed -i --follow-symlinks "s|{{ KEEPALIVED_UNICAST_PEERS }}|${!peer}\n {{ KEEPALIVED_UNICAST_PEERS }}|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf
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done
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sed -i --follow-symlinks "/{{ KEEPALIVED_UNICAST_PEERS }}/d" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf
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# virtual ips
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for vip in $(complex-bash-env iterate KEEPALIVED_VIRTUAL_IPS)
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do
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sed -i --follow-symlinks "s|{{ KEEPALIVED_VIRTUAL_IPS }}|${!vip}\n {{ KEEPALIVED_VIRTUAL_IPS }}|g" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf
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done
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sed -i --follow-symlinks "/{{ KEEPALIVED_VIRTUAL_IPS }}/d" ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf
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touch $FIRST_START_DONE
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fi
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# try to delete virtual ips from interface
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for vip in $(complex-bash-env iterate KEEPALIVED_VIRTUAL_IPS)
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do
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ip addr del ${!vip}/32 dev ${KEEPALIVED_INTERFACE} || true
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done
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if [ ! -e "/etc/keepalived/keepalived.conf" ]; then
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ln -sf ${CONTAINER_SERVICE_DIR}/keepalived/assets/keepalived.conf /etc/keepalived/keepalived.conf
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fi
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exit 0
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